given a and b, subtract and give the answer
It is strongly recommended to include several tests in your Test Suite, otherwise the solution is easy to hardcode (see Solution 1470259). See also Problem 44521 for further discussion of this topic.
Wrapping the Tower of Pisa
Generate a string like abbcccddddeeeee
Deleting an element in a matrix
Finding perimeter of a rectangle
Area of a Square
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